package core.webserver.http;

import java.io.IOException;
import java.io.InputStream;
import java.net.Socket;
import java.util.HashMap;
import java.util.Map;

public class HttpRequest {
    private String method;
    private String uri;
    private String protocol;
    private Map<String,String> headers = new HashMap<>();
    private Socket socket;
    public HttpRequest(Socket socket) throws IOException {
        this.socket = socket;
        parseRequestLine();
        parseHeaders();
    }
    private void parseRequestLine() throws IOException{
        String line = readLine();
        System.out.println(line);
        String[] data = line.split("\\s");
        method = data[0];
        uri = data[1];
        protocol = data[2];
        System.out.println("method:"+method);
        System.out.println("uri:"+uri);
        System.out.println("protocol:"+protocol);
    }
    private void parseHeaders() throws IOException{
        while (true){
            String line = readLine();
            if (line.isEmpty()){
                break;
            }
            System.out.println("消息头：" + line);
            String[] data = line.split(":\\s");
            headers.put(data[0], data[1]);
        }
        System.out.println("headers:" + headers);
        }
        private void parseContent(){}
        private String readLine() throws IOException {
            InputStream in = socket.getInputStream();
            int d;
            StringBuilder builder = new StringBuilder();
            char pre = 'a', cur = 'a';
            while ((d = in.read()) != -1) {
                cur = (char) d;
                if (pre == 13 && cur == 10) {
                    break;
                }
                builder.append(cur);
                pre = cur;
            }
            return builder.toString().trim();
        }
        public String getMethod(){return method;}
        public String getUri(){return uri;}
        public String getProtocol(){return protocol;}
        public String getHeader(String name){return headers.get(name);}
}

